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  <title>在 FTP 服务器运行指定的命令</title>
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  <div id="layout-content"><div id="function.ftp-exec" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">ftp_exec</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.0.3, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">ftp_exec</span> &mdash; <span class="dc-title">在 FTP 服务器运行指定的命令</span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.ftp-exec-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>ftp_exec</strong></span>(<span class="methodparam"><span class="type">resource</span> <code class="parameter">$ftp_stream</code></span>, <span class="methodparam"><span class="type">string</span> <code class="parameter">$command</code></span>): <span class="type">bool</span></div>

  <p class="para rdfs-comment">
    发送一个 SITE EXEC <code class="parameter">command</code> 请求到 FTP 服务器。
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.ftp-exec-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt>
<code class="parameter">ftp_stream</code></dt>

     <dd>

      <p class="para">
        FTP 连接资源句柄。
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">command</code></dt>

     <dd>

      <p class="para">
        要执行的命令。
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.ftp-exec-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
    如果执行成功（服务器发送响应代码 <code class="literal">200</code>）则返回 <strong><code>true</code></strong>；否则返回 <strong><code>false</code></strong>。
  </p>
 </div>

 <div class="refsect1 examples" id="refsect1-function.ftp-exec-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-4268">
    <p><strong>示例 #1 <span class="function"><strong>ftp_exec()</strong></span> 示例</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #FF8000">//&nbsp;variable&nbsp;initialization<br /></span><span style="color: #0000BB">$command&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #DD0000">'ls&nbsp;-al&nbsp;&gt;files.txt'</span><span style="color: #007700">;<br /><br /></span><span style="color: #FF8000">//&nbsp;set&nbsp;up&nbsp;basic&nbsp;connection<br /></span><span style="color: #0000BB">$conn_id&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ftp_connect</span><span style="color: #007700">(</span><span style="color: #0000BB">$ftp_server</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;login&nbsp;with&nbsp;username&nbsp;and&nbsp;password<br /></span><span style="color: #0000BB">$login_result&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">ftp_login</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$ftp_user_name</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$ftp_user_pass</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">//&nbsp;execute&nbsp;command<br /></span><span style="color: #007700">if&nbsp;(</span><span style="color: #0000BB">ftp_exec</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">$command</span><span style="color: #007700">))&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"</span><span style="color: #0000BB">$command</span><span style="color: #DD0000">&nbsp;executed&nbsp;successfully\n"</span><span style="color: #007700">;<br />}&nbsp;else&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"could&nbsp;not&nbsp;execute&nbsp;</span><span style="color: #0000BB">$command</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #FF8000">//&nbsp;close&nbsp;the&nbsp;connection<br /></span><span style="color: #0000BB">ftp_close</span><span style="color: #007700">(</span><span style="color: #0000BB">$conn_id</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>

 <div class="refsect1 seealso" id="refsect1-function.ftp-exec-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.ftp-raw.html" class="function" rel="rdfs-seeAlso">ftp_raw()</a> - 向 FTP 服务器发送命令</span></li>
   </ul>
  </p>
 </div>

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